// src/lib/constants.js
// PostHog Event Names and Constants
// Organized by AARRR Framework (Acquisition, Activation, Retention, Referral, Revenue)

// ============================================================================
// ACQUISITION (获客) - Landing page, marketing website events
// ============================================================================
export const ACQUISITION_EVENTS = {
  // Landing page
  LANDING_PAGE_VIEWED: 'Landing Page Viewed',
  CTA_BUTTON_CLICKED: 'CTA Button Clicked',
  FEATURE_CARD_VIEWED: 'Feature Card Viewed',
  FEATURE_VIDEO_PLAYED: 'Feature Video Played',

  // Pricing page
  PRICING_PAGE_VIEWED: 'Pricing Page Viewed',
  PRICING_PLAN_VIEWED: 'Pricing Plan Viewed',
  PRICING_PLAN_SELECTED: 'Pricing Plan Selected',

  // How to use page
  HOW_TO_USE_PAGE_VIEWED: 'How To Use Page Viewed',
  TUTORIAL_STEP_VIEWED: 'Tutorial Step Viewed',

  // Roadmap page
  ROADMAP_PAGE_VIEWED: 'Roadmap Page Viewed',
  ROADMAP_ITEM_CLICKED: 'Roadmap Item Clicked',
};

// ============================================================================
// ACTIVATION (激活) - Sign up, login, onboarding
// ============================================================================
export const ACTIVATION_EVENTS = {
  // Auth pages
  LOGIN_PAGE_VIEWED: 'Login Page Viewed',
  SIGNUP_PAGE_VIEWED: 'Signup Page Viewed',

  // Login method selection
  PHONE_LOGIN_INITIATED: 'Phone Login Initiated',  // 用户开始填写手机号
  WECHAT_LOGIN_INITIATED: 'WeChat Login Initiated',  // 用户选择微信登录

  // Phone verification code flow
  VERIFICATION_CODE_SENT: 'Verification Code Sent',
  VERIFICATION_CODE_SEND_FAILED: 'Verification Code Send Failed',
  VERIFICATION_CODE_INPUT_CHANGED: 'Verification Code Input Changed',
  VERIFICATION_CODE_RESENT: 'Verification Code Resent',
  VERIFICATION_CODE_SUBMITTED: 'Verification Code Submitted',
  PHONE_NUMBER_VALIDATED: 'Phone Number Validated',

  // WeChat login flow
  WECHAT_QR_DISPLAYED: 'WeChat QR Code Displayed',
  WECHAT_QR_SCANNED: 'WeChat QR Code Scanned',
  WECHAT_QR_EXPIRED: 'WeChat QR Code Expired',
  WECHAT_QR_REFRESHED: 'WeChat QR Code Refreshed',
  WECHAT_STATUS_CHANGED: 'WeChat Status Changed',
  WECHAT_H5_REDIRECT: 'WeChat H5 Redirect',  // 移动端跳转微信H5

  // Login/Signup results
  USER_LOGGED_IN: 'User Logged In',
  USER_SIGNED_UP: 'User Signed Up',
  LOGIN_FAILED: 'Login Failed',
  SIGNUP_FAILED: 'Signup Failed',

  // User behavior details
  AUTH_FORM_FOCUSED: 'Auth Form Field Focused',
  AUTH_FORM_VALIDATION_ERROR: 'Auth Form Validation Error',
  NICKNAME_PROMPT_SHOWN: 'Nickname Prompt Shown',
  NICKNAME_PROMPT_ACCEPTED: 'Nickname Prompt Accepted',
  NICKNAME_PROMPT_SKIPPED: 'Nickname Prompt Skipped',
  USER_AGREEMENT_LINK_CLICKED: 'User Agreement Link Clicked',
  PRIVACY_POLICY_LINK_CLICKED: 'Privacy Policy Link Clicked',

  // Error tracking
  LOGIN_ERROR_OCCURRED: 'Login Error Occurred',
  NETWORK_ERROR_OCCURRED: 'Network Error Occurred',
  SESSION_EXPIRED: 'Session Expired',
  API_ERROR_OCCURRED: 'API Error Occurred',

  // Onboarding
  ONBOARDING_STARTED: 'Onboarding Started',
  ONBOARDING_STEP_COMPLETED: 'Onboarding Step Completed',
  ONBOARDING_COMPLETED: 'Onboarding Completed',
  ONBOARDING_SKIPPED: 'Onboarding Skipped',

  // User agreement (deprecated, use link clicked events instead)
  USER_AGREEMENT_VIEWED: 'User Agreement Viewed',
  USER_AGREEMENT_ACCEPTED: 'User Agreement Accepted',
  PRIVACY_POLICY_VIEWED: 'Privacy Policy Viewed',
  PRIVACY_POLICY_ACCEPTED: 'Privacy Policy Accepted',
};

// ============================================================================
// RETENTION (留存) - Core product usage, feature engagement
// ============================================================================
export const RETENTION_EVENTS = {
  // Dashboard
  DASHBOARD_VIEWED: 'Dashboard Viewed',
  DASHBOARD_CENTER_VIEWED: 'Dashboard Center Viewed',
  FUNCTION_CARD_CLICKED: 'Function Card Clicked', // Core功能卡片点击

  // Navigation
  TOP_NAV_CLICKED: 'Top Navigation Clicked',
  SIDEBAR_MENU_CLICKED: 'Sidebar Menu Clicked',
  MENU_ITEM_CLICKED: 'Menu Item Clicked',
  BREADCRUMB_CLICKED: 'Breadcrumb Clicked',

  // Search
  SEARCH_INITIATED: 'Search Initiated',
  SEARCH_QUERY_SUBMITTED: 'Search Query Submitted',
  SEARCH_RESULT_CLICKED: 'Search Result Clicked',
  SEARCH_NO_RESULTS: 'Search No Results',
  SEARCH_FILTER_APPLIED: 'Search Filter Applied',

  // News/Community (新闻催化分析)
  COMMUNITY_PAGE_VIEWED: 'Community Page Viewed',
  NEWS_LIST_VIEWED: 'News List Viewed',
  NEWS_ARTICLE_CLICKED: 'News Article Clicked',
  NEWS_DETAIL_OPENED: 'News Detail Opened',
  NEWS_TAB_CLICKED: 'News Tab Clicked', // 相关标的, 相关概念, etc.
  NEWS_FILTER_APPLIED: 'News Filter Applied',
  NEWS_SORTED: 'News Sorted',

  // Concept Center (概念中心)
  CONCEPT_PAGE_VIEWED: 'Concept Page Viewed',
  CONCEPT_LIST_VIEWED: 'Concept List Viewed',
  CONCEPT_CLICKED: 'Concept Clicked',
  CONCEPT_DETAIL_VIEWED: 'Concept Detail Viewed',
  CONCEPT_STOCK_CLICKED: 'Concept Stock Clicked',

  // Stock Center (个股中心)
  STOCK_OVERVIEW_VIEWED: 'Stock Overview Page Viewed',
  STOCK_LIST_VIEWED: 'Stock List Viewed',
  STOCK_SEARCHED: 'Stock Searched',
  STOCK_CLICKED: 'Stock Clicked',
  STOCK_DETAIL_VIEWED: 'Stock Detail Viewed',
  STOCK_TAB_CLICKED: 'Stock Tab Clicked', // 公司概览, 股票行情, 财务全景, 盈利预测

  // Company Details
  COMPANY_OVERVIEW_VIEWED: 'Company Overview Viewed',
  COMPANY_FINANCIALS_VIEWED: 'Company Financials Viewed',
  COMPANY_FORECAST_VIEWED: 'Company Forecast Viewed',
  COMPANY_MARKET_DATA_VIEWED: 'Company Market Data Viewed',

  // Limit Analysis (涨停分析)
  LIMIT_ANALYSE_PAGE_VIEWED: 'Limit Analyse Page Viewed',
  LIMIT_BOARD_CLICKED: 'Limit Board Clicked',
  LIMIT_SECTOR_EXPANDED: 'Limit Sector Expanded',
  LIMIT_SECTOR_ANALYSIS_VIEWED: 'Limit Sector Analysis Viewed',
  LIMIT_STOCK_CLICKED: 'Limit Stock Clicked',

  // Trading Simulation (模拟盘交易)
  TRADING_SIMULATION_ENTERED: 'Trading Simulation Entered',
  SIMULATION_ORDER_PLACED: 'Simulation Order Placed',
  SIMULATION_HOLDINGS_VIEWED: 'Simulation Holdings Viewed',
  SIMULATION_HISTORY_VIEWED: 'Simulation History Viewed',
  SIMULATION_STOCK_SEARCHED: 'Simulation Stock Searched',

  // Event Details
  EVENT_DETAIL_VIEWED: 'Event Detail Viewed',
  EVENT_ANALYSIS_VIEWED: 'Event Analysis Viewed',
  EVENT_TIMELINE_CLICKED: 'Event Timeline Clicked',

  // Profile & Settings
  PROFILE_PAGE_VIEWED: 'Profile Page Viewed',
  PROFILE_UPDATED: 'Profile Updated',
  SETTINGS_PAGE_VIEWED: 'Settings Page Viewed',
  SETTINGS_CHANGED: 'Settings Changed',

  // Subscription Management
  SUBSCRIPTION_PAGE_VIEWED: 'Subscription Page Viewed',
  UPGRADE_PLAN_CLICKED: 'Upgrade Plan Clicked',
};

// ============================================================================
// REFERRAL (推荐) - Sharing, inviting
// ============================================================================
export const REFERRAL_EVENTS = {
  // Sharing
  SHARE_BUTTON_CLICKED: 'Share Button Clicked',
  CONTENT_SHARED: 'Content Shared',
  SHARE_LINK_GENERATED: 'Share Link Generated',
  SHARE_MODAL_OPENED: 'Share Modal Opened',
  SHARE_MODAL_CLOSED: 'Share Modal Closed',

  // Referral
  REFERRAL_PAGE_VIEWED: 'Referral Page Viewed',
  REFERRAL_LINK_COPIED: 'Referral Link Copied',
  REFERRAL_INVITE_SENT: 'Referral Invite Sent',
};

// ============================================================================
// REVENUE (收入) - Payment, subscription, monetization
// ============================================================================
export const REVENUE_EVENTS = {
  // Paywall
  PAYWALL_SHOWN: 'Paywall Shown',
  PAYWALL_DISMISSED: 'Paywall Dismissed',
  PAYWALL_UPGRADE_CLICKED: 'Paywall Upgrade Clicked',

  // Payment
  PAYMENT_PAGE_VIEWED: 'Payment Page Viewed',
  PAYMENT_METHOD_SELECTED: 'Payment Method Selected',
  PAYMENT_INITIATED: 'Payment Initiated',
  PAYMENT_SUCCESSFUL: 'Payment Successful',
  PAYMENT_FAILED: 'Payment Failed',

  // Subscription
  SUBSCRIPTION_CREATED: 'Subscription Created',
  SUBSCRIPTION_RENEWED: 'Subscription Renewed',
  SUBSCRIPTION_UPGRADED: 'Subscription Upgraded',
  SUBSCRIPTION_DOWNGRADED: 'Subscription Downgraded',
  SUBSCRIPTION_CANCELLED: 'Subscription Cancelled',
  SUBSCRIPTION_EXPIRED: 'Subscription Expired',

  // Refund
  REFUND_REQUESTED: 'Refund Requested',
  REFUND_PROCESSED: 'Refund Processed',
};

// ============================================================================
// SPECIAL EVENTS (特殊事件) - Errors, performance, chatbot
// ============================================================================
export const SPECIAL_EVENTS = {
  // Errors
  ERROR_OCCURRED: 'Error Occurred',
  API_ERROR: 'API Error',
  NOT_FOUND_404: '404 Not Found',

  // Performance
  PAGE_LOAD_TIME: 'Page Load Time',
  API_RESPONSE_TIME: 'API Response Time',

  // Chatbot (Dify)
  CHATBOT_OPENED: 'Chatbot Opened',
  CHATBOT_CLOSED: 'Chatbot Closed',
  CHATBOT_MESSAGE_SENT: 'Chatbot Message Sent',
  CHATBOT_MESSAGE_RECEIVED: 'Chatbot Message Received',
  CHATBOT_FEEDBACK_PROVIDED: 'Chatbot Feedback Provided',

  // Scroll depth
  SCROLL_DEPTH_25: 'Scroll Depth 25%',
  SCROLL_DEPTH_50: 'Scroll Depth 50%',
  SCROLL_DEPTH_75: 'Scroll Depth 75%',
  SCROLL_DEPTH_100: 'Scroll Depth 100%',

  // Session
  SESSION_STARTED: 'Session Started',
  SESSION_ENDED: 'Session Ended',
  USER_IDLE: 'User Idle',
  USER_RETURNED: 'User Returned',

  // Logout
  USER_LOGGED_OUT: 'User Logged Out',
};

// ============================================================================
// USER PROPERTIES (用户属性)
// ============================================================================
export const USER_PROPERTIES = {
  // Identity
  EMAIL: 'email',
  USERNAME: 'username',
  USER_ID: 'user_id',
  PHONE: 'phone',

  // Subscription
  SUBSCRIPTION_TIER: 'subscription_tier', // 'free', 'pro', 'enterprise'
  SUBSCRIPTION_STATUS: 'subscription_status', // 'active', 'expired', 'cancelled'
  SUBSCRIPTION_START_DATE: 'subscription_start_date',
  SUBSCRIPTION_END_DATE: 'subscription_end_date',

  // Engagement
  REGISTRATION_DATE: 'registration_date',
  LAST_LOGIN: 'last_login',
  LOGIN_COUNT: 'login_count',
  DAYS_SINCE_REGISTRATION: 'days_since_registration',
  LIFETIME_VALUE: 'lifetime_value',

  // Preferences
  PREFERRED_LANGUAGE: 'preferred_language',
  THEME_PREFERENCE: 'theme_preference', // 'light', 'dark'
  NOTIFICATION_ENABLED: 'notification_enabled',

  // Attribution
  UTM_SOURCE: 'utm_source',
  UTM_MEDIUM: 'utm_medium',
  UTM_CAMPAIGN: 'utm_campaign',
  REFERRER: 'referrer',

  // Behavioral
  FAVORITE_FEATURES: 'favorite_features',
  MOST_VISITED_PAGES: 'most_visited_pages',
  TOTAL_SESSIONS: 'total_sessions',
  AVERAGE_SESSION_DURATION: 'average_session_duration',
};

// ============================================================================
// SUBSCRIPTION TIERS (订阅等级)
// ============================================================================
export const SUBSCRIPTION_TIERS = {
  FREE: 'free',
  PRO: 'pro',
  ENTERPRISE: 'enterprise',
};

// ============================================================================
// PAGE TYPES (页面类型)
// ============================================================================
export const PAGE_TYPES = {
  LANDING: 'landing',
  DASHBOARD: 'dashboard',
  FEATURE: 'feature',
  DETAIL: 'detail',
  AUTH: 'auth',
  SETTINGS: 'settings',
  PAYMENT: 'payment',
  ERROR: 'error',
};

// ============================================================================
// CONTENT TYPES (内容类型)
// ============================================================================
export const CONTENT_TYPES = {
  NEWS: 'news',
  STOCK: 'stock',
  CONCEPT: 'concept',
  ANALYSIS: 'analysis',
  EVENT: 'event',
  COMPANY: 'company',
};

// ============================================================================
// SHARE CHANNELS (分享渠道)
// ============================================================================
export const SHARE_CHANNELS = {
  WECHAT: 'wechat',
  LINK: 'link',
  QRCODE: 'qrcode',
  EMAIL: 'email',
  COPY: 'copy',
};

// ============================================================================
// LOGIN METHODS (登录方式)
// ============================================================================
export const LOGIN_METHODS = {
  WECHAT: 'wechat',
  EMAIL: 'email',
  PHONE: 'phone',
  USERNAME: 'username',
};

// ============================================================================
// PAYMENT METHODS (支付方式)
// ============================================================================
export const PAYMENT_METHODS = {
  WECHAT_PAY: 'wechat_pay',
  ALIPAY: 'alipay',
  CREDIT_CARD: 'credit_card',
};

// ============================================================================
// Helper function to get all events
// ============================================================================
export const getAllEvents = () => {
  return {
    ...ACQUISITION_EVENTS,
    ...ACTIVATION_EVENTS,
    ...RETENTION_EVENTS,
    ...REFERRAL_EVENTS,
    ...REVENUE_EVENTS,
    ...SPECIAL_EVENTS,
  };
};

// ============================================================================
// Helper function to validate event name
// ============================================================================
export const isValidEvent = (eventName) => {
  const allEvents = getAllEvents();
  return Object.values(allEvents).includes(eventName);
};